CN113551884A - Device for evaluating integral lens Flare - Google Patents
Device for evaluating integral lens Flare Download PDFInfo
- Publication number
- CN113551884A CN113551884A CN202110710181.7A CN202110710181A CN113551884A CN 113551884 A CN113551884 A CN 113551884A CN 202110710181 A CN202110710181 A CN 202110710181A CN 113551884 A CN113551884 A CN 113551884A
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- turntable
- ratchet
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- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000012360 testing method Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 28
- 239000011358 absorbing material Substances 0.000 claims description 2
- 238000005286 illumination Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/04—Optical benches therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0207—Details of measuring devices
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a device for evaluating an integrated lens Flare, which belongs to the field of detection of a mobile phone camera and comprises a test board and a light source moving support, wherein a detection component is arranged on the test board, the light source moving support comprises an arc-shaped light source track, a detection light source is arranged on the light source track, and the circle center of the arc-shaped light source track is positioned at the detection component; through moving the camera lens on the light source track, make it can follow different angles and shine the camera lens, because the light source track is convex, and the centre of a circle is located detection component department for when the light source removed, its distance to the camera lens is the same, thereby guarantees that the illumination intensity of shining from different angles is the same, thereby improves the accuracy nature that detects, has solved among the prior art camera lens and has detected and need set up a plurality of light sources, leads to the cost higher, and the not accurate problem of detection result inadequately.
Description
Technical Field
The invention relates to the field of mobile phone camera detection, in particular to a device for evaluating an integrated lens Flare.
Background
The camera module is mainly applied to electronic terminal products such as mobile phones, tablet computers, unmanned aerial vehicles and medical treatment, and becomes an essential life article for people at present.
In recent two years, due to the popularity of the water drop screen hole-digging screen mobile phone, the requirement on the size of the head of the camera module is smaller and smaller, so that the integrated lens module with small volume is largely used. The integral lens has no threads and needs to be fixed on the sensor and the assembly by glue, and AA equipment is needed to adjust the focusing distance and make up the relative Tilt between the lens and the sensor and then fix the lens and the assembly by glue.
For example, the publication of "a flare test light source and device" in the chinese patent document is CN209387248U, the flare test light source includes a substrate and a plurality of point light sources disposed on one side of the substrate, and the point light sources are distributed on the substrate in a uniform lattice manner. This flare test light source can provide the incident light of different incident angles for the camera that awaits measuring simultaneously to carry out the flare test to the camera that awaits measuring, it is convenient and reliable, however, the device's weak point lies in, it detects through a plurality of light source, because the light intensity that different light sources shines camera lens department is different, can lead to the testing result accurate inadequately, in addition, because the required light source of test need have higher concentration degree, lead to the cost of light source higher, if detect through a plurality of light source, can greatly increase the cost of device.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a plurality of light sources are required to be arranged in the lens detection process, so that the cost is high, and the detection result is not accurate enough, and provides the device for evaluating the integrated lens Flare.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention discloses a device for evaluating an integrated lens Flare, which comprises a test board and a light source moving support, wherein a detection assembly is arranged on the test board, the light source moving support comprises an arc-shaped light source track, a detection light source is arranged on the light source track, and the circle center of the arc-shaped light source track is positioned at the detection assembly.
The lens can be irradiated from different angles by moving the lens on the light source track, and the distance from the light source track to the lens is the same when the light source moves due to the arc-shaped light source track and the circle center positioned at the detection assembly, so that the illumination intensity irradiated from different angles is the same, and the detection accuracy is improved; in addition, because install the detection subassembly on the testboard, can be used to obtain flare test image.
Preferably, the device for evaluating the integrated lens Flare further comprises a main drive motor and a lens turntable for automatically conveying the lens to be detected, wherein the main drive motor controls the light source moving support and the lens turntable to rotate, and an output gear is mounted on an output shaft of the main drive motor; through main motor drive camera lens carousel rotates, can realize the automation of camera lens and transport: after one lens is detected, the lens turntable rotates for a certain angle, the next lens is conveyed to a position to be detected, the main drive motor controls the light source moving support to rotate, the circular arc-shaped light source rail can rotate by taking the vertical direction as an axis, and therefore the change range of the irradiation angle of the light source is enlarged, and the change of the irradiation angle is converted into the change of space from plane change.
Preferably, the device for evaluating the integral lens Flare comprises a first stay cord turntable positioned above a light source track and a stay cord rotating shaft arranged on the inner side of a light source moving support, wherein a second stay cord turntable is arranged on the stay cord rotating shaft, a moving seat is arranged on the light source track, the moving seat is connected with the first stay cord turntable through a first stay cord, the moving seat is connected with the second stay cord turntable through a second stay cord, a bevel gear is further arranged on the stay cord rotating shaft, a tooth table is fixedly arranged on the test table, conical teeth which are in fit engagement with the bevel gear are arranged on the tooth table, and a turntable torsion spring is arranged on the rotating shaft of the first stay cord turntable; when the light source moving support is driven by the main drive motor to rotate, the bevel gear on the pull rope rotating shaft and the gear rack rotate relatively, so that the pull rope rotating shaft rotates and drives the second pull rope rotating disc to rotate, and the second pull rope rotating disc winds up the second pull rope in the rotating process, so that the moving seat is pulled downwards; the movable seat moves downwards and simultaneously pulls the first pull rope out of the first pull rope turntable, and the torsion spring on the first pull rope turntable stores energy; when the main drive motor rotates reversely, the second pull rope turntable rotates reversely to release the second pull rope, and meanwhile, the first pull rope turntable rotates reversely under the action of the torsion spring to wind up the first pull rope, so that the movable seat is pulled upwards; through the structure, the movement of the movable seat and the rotation of the light source movable support can form linkage, so that the light source has a spiral movement track, and the lens can be better detected from different angles.
Preferably, the lens turntable is driven to rotate by a vertical lens rotating shaft, the main driving motor is connected with the lens rotating shaft by a transmission assembly, the transmission assembly comprises a transmission shaft, the transmission shaft is connected with the output gear by a transmission gear, and the transmission shaft is connected with the lens rotating shaft by a ratchet structure; the ratchet structure can make the main drive motor only drive the transmission shaft and rotate when forward rotating to ensure that in the testing process, when the light source removes the support and rotates, the camera lens carousel can not rotate thereupon, and only when the light source removes the support and resets, the camera lens carousel just can rotate, transports next camera lens.
Preferably, the ratchet structure comprises a first ratchet wheel arranged on the transmission shaft and a second ratchet wheel arranged on the lens rotating shaft, a driving lever mounting seat is arranged between the first ratchet wheel and the second ratchet wheel, a ratchet driving lever is arranged in the driving lever mounting seat, the ratchet driving lever penetrates through the driving lever mounting seat, two ends of the ratchet driving lever respectively abut against ratchet teeth of the first ratchet wheel and the second ratchet wheel, a first spring for abutting the ratchet driving lever against the first ratchet wheel is arranged in the driving lever mounting seat, the driving lever mounting seat comprises a shell and an inner core which are concentrically arranged, and an inner core torsion spring is arranged between the shell and the inner core; the ratchet structure can drive the second ratchet wheel to rotate when the first ratchet wheel rotates forwards and keep the second ratchet wheel immovable when the first ratchet wheel rotates backwards.
Preferably, the inner side of the lower part of the light source moving bracket is provided with a transmission gear which is in fit engagement with the output gear, and the transmission from the main driving motor to the light source moving bracket can be realized through the transmission gear.
Preferably, the upper side of the movable seat is provided with an arc-shaped limiting sheet, the light source track is provided with a limiting sheet clamping groove matched with the limiting sheet, the arc-shaped limiting sheet can ensure the relative position of the movable seat and the light source track, and the situation that the light source cannot align to the lens when moving is avoided.
Preferably, the test board and the light source moving support are positioned in the light box, and the inner wall of the light box is made of light absorption materials; the interference of external light and reflected light to the lens detection can be avoided by the inner wall of the lamp box, and the accuracy is improved.
Therefore, the invention has the following beneficial effects: (1) the irradiation of different angles to the lens can be completed through a single light source, so that the accuracy of a Flare test is improved, and the cost is reduced; (2) the lens can be automatically conveyed, so that the labor cost is reduced; (3) the control of the lens turntable, the light source moving bracket and the moving seat can be simultaneously finished through a single motor, so that the cost is controlled; (4) the light source can move in a spiral track, so that multi-angle irradiation on the lens is completed; (5) the interference of external light and reflected light to the lens detection can be avoided, and the detection accuracy is improved.
Drawings
FIG. 1 is a schematic top view of a test station according to the present invention.
Fig. 2 is a schematic front view of the present invention.
Fig. 3 is a schematic cross-sectional view of the light source of the present invention at a track.
FIG. 4 is a schematic view of a ratchet structure of the present invention.
In the figure: 1. the device comprises a lamp box 2, a test board 3, a light source moving support 4, a main drive motor 5, a detection assembly 6, a lens rotating disc 7, a first pull rope rotating disc 8, a pull rope rotating shaft 9, a second pull rope rotating disc 10, a bevel gear 11, a gear table 12, a light source track 13, an output gear 14, a moving seat 15, a limiting sheet 16, a limiting sheet clamping groove 17, a first pull rope 18, a first guide ring 19, a second pull rope 20, a second guide ring 21, a pull rope limiting ring 22, a transmission shaft 23, a transmission gear 24, a first ratchet wheel 25, a second ratchet wheel 26, a ratchet wheel deflector rod 27, a first spring 28, an outer shell 29, an inner core 30 and a lens rotating shaft.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
In the embodiment shown in fig. 1-4, a device for evaluating an integrated lens Flare includes a light box 1, an inner wall of the light box is made of a light absorbing material, a test board 2 and a light source moving support 3 are installed in the light box, a main drive motor 4 is installed below the test board, a detection component 5 and a lens turntable 6 for automatically conveying a lens to be detected are installed on the test board, a first pull rope turntable 7 is installed above a light source track, a pull rope rotating shaft 8 is installed on the inner side of the light source moving support, a second pull rope turntable 9 and a bevel gear 10 are installed on the pull rope rotating shaft, a tooth table 11 is fixedly installed on the test board, tapered teeth which are in fit engagement with the bevel gear are arranged on the tooth table, and the first pull rope turntable is installed on the inner wall of the light box; the light source moving support comprises an arc-shaped light source rail 12, two ends of the light source rail are connected with the upper part of the light source moving support, a detection light source is mounted on the light source rail, and the circle center of the arc-shaped light source rail is located at the position of the detection assembly; the detection light source faces the detection assembly; the main drive motor controls the light source moving support and the lens turntable to rotate, an output gear 13 is mounted on an output shaft of the main drive motor, and transmission teeth which are in fit engagement with the output gear are arranged on the inner side of the lower portion of the light source moving support; the light source track is provided with a moving seat 14 for mounting a light source, the upper side of the moving seat is provided with an arc-shaped limiting sheet 15, the light source track is provided with a limiting sheet clamping groove 16 matched with the limiting sheet, the moving seat is connected with a first pull rope turntable through a first pull rope 17, the first pull rope penetrates through a first guide ring 18 positioned between the first pull rope turntable and the top of the light source track, the moving seat is connected with a second pull rope turntable through a second pull rope 19, the second pull rope penetrates through a second guide ring 20 positioned between the second pull rope turntable and a light source moving support, the light source track is internally provided with a pull rope limiting ring 21 for limiting the first pull rope and the second pull rope in the light source track, but the first pull rope and the second pull rope can penetrate through the limiting rings and move in the direction of the light source track; the lens turntable is driven to rotate by a vertical lens rotating shaft 30, the main driving motor is connected with the lens rotating shaft through a transmission assembly, the transmission assembly comprises a transmission shaft 22, the transmission shaft is connected with the output gear through a transmission gear 23, and the transmission shaft is connected with the lens rotating shaft through a ratchet structure; the ratchet structure is including installing epaxial first ratchet 24 of transmission and installing epaxial second ratchet 25 of camera lens pivot, install the driving lever mount pad between first ratchet and the second ratchet, install ratchet driving lever 26 in the driving lever mount pad, the ratchet driving lever passes the driving lever mount pad and its both ends respectively push up on the ratchet tooth of first ratchet and second ratchet, install in the driving lever mount pad and be used for pushing up the ratchet driving lever to the first spring 27 of first ratchet, the driving lever mount pad is including shell 28 and the inner core 29 of concentric setting, the shell with install the inner core torsional spring between the inner core.
When the device is used for detection, the detection assembly is firstly installed on the test bench, the lens to be detected is installed on the lens turntable, and then the lens close to the outer side can be manually loaded and unloaded or directly and automatically loaded and unloaded through the mechanical claw in the detection process; in an initial state, a first pull rope on the first pull rope turntable is in a rolling state, the movable seat is positioned at the top of the light source track, and a second pull rope on the second pull rope turntable is in a paying-out state; when the main drive motor rotates forwards, the detection process starts, and when the light source moving support rotates under the driving of the main drive motor, the bevel gear on the pull rope rotating shaft and the gear table rotate relatively, so that the pull rope rotating shaft rotates and drives the second pull rope rotating disc to rotate, and the second pull rope rotating disc winds the second pull rope in the rotating process, so that the moving seat originally positioned at the top of the light source track is pulled downwards; the moving seat moves downwards and simultaneously pulls the first pull rope out of the first pull rope rotating disc, the torsion spring on the first pull rope rotating disc stores energy, and the light source forms a spiral moving track along with the rotation of the light source moving support, so that the change of the irradiation angle of the lens is ensured, the included angle between the lens and the horizontal plane is changed, and the included angle is also changed along with the change of the irradiation direction, and the detection accuracy is improved; when the main drive motor rotates reversely, the second pull rope turntable rotates reversely to release the second pull rope, and meanwhile, the first pull rope turntable rotates reversely under the action of the torsion spring to wind the first pull rope, so that the movable seat is pulled upwards until the movable seat returns to the top of the light source track.
As shown in fig. 4, when the main driving motor rotates forward, the first ratchet wheel rotates counterclockwise to drive the shift lever and the housing to rotate at a certain angle, but the second ratchet wheel cannot be driven, when the main driving motor rotates backward, the first ratchet wheel rotates clockwise, the ratchet of the first ratchet wheel pushes the shift lever to the second ratchet wheel, so that the second ratchet wheel rotates, and the second ratchet wheel rotates to drive the lens turntable to rotate, so as to complete the transportation of the lens.
Claims (8)
1. The device for evaluating the integral lens Flare is characterized by comprising a test board and a light source moving support, wherein a detection assembly is installed on the test board, the light source moving support comprises a circular arc-shaped light source rail, a detection light source is installed on the light source rail, and the circle center of the circular arc-shaped light source rail is located at the detection assembly.
2. The device for evaluating an integrated lens Flare according to claim 1, further comprising a main drive motor and a lens turntable for automatically conveying a lens to be detected, wherein the main drive motor controls the light source moving bracket and the lens turntable to rotate, and an output gear is mounted on an output shaft of the main drive motor.
3. The device for evaluating an integrated lens Flare according to claim 2, further comprising a first pull rope turntable located above the light source track and a pull rope rotating shaft installed inside the light source moving bracket, wherein a second pull rope turntable is installed on the pull rope rotating shaft, a moving seat is arranged on the light source track, the moving seat is connected with the first pull rope turntable through a first pull rope, the moving seat is connected with the second pull rope turntable through a second pull rope, a bevel gear is further installed on the pull rope rotating shaft, a tooth table is fixedly installed on the test table, a conical tooth which is in fit engagement with the bevel gear is arranged on the tooth table, and a turntable torsion spring is arranged on the rotating shaft of the first pull rope turntable.
4. The device for evaluating Flare of an integrated lens according to claim 2, wherein the lens turntable is driven to rotate by a vertical lens rotating shaft, the main driving motor is connected with the lens rotating shaft through a transmission assembly, the transmission assembly comprises a transmission shaft, the transmission shaft is connected with the output gear through a transmission gear, and the transmission shaft is connected with the lens rotating shaft through a ratchet structure.
5. The device for evaluating an integrated lens Flare according to claim 4, wherein the ratchet structure comprises a first ratchet wheel mounted on the transmission shaft and a second ratchet wheel mounted on the lens rotating shaft, a deflector rod mounting seat is mounted between the first ratchet wheel and the second ratchet wheel, a ratchet deflector rod is mounted in the deflector rod mounting seat, the ratchet deflector rod penetrates through the deflector rod mounting seat, two ends of the ratchet deflector rod respectively abut against ratchet teeth of the first ratchet wheel and the second ratchet wheel, a first spring for urging the ratchet deflector rod against the first ratchet wheel is mounted in the deflector rod mounting seat, the deflector rod mounting seat comprises a concentric outer shell and an inner core, and an inner core torsion spring is mounted between the outer shell and the inner core.
6. The apparatus for evaluating a Flare integrated lens of claim 2, wherein the light source moving bracket is provided with a driving gear at the inner side of the lower part thereof, the driving gear being adapted to engage with the output gear.
7. The device for evaluating Flare of an integrated lens according to claim 2, wherein an arc-shaped limiting piece is arranged on the upper side of the movable base, and a limiting piece clamping groove matched with the limiting piece is arranged on the light source track.
8. The apparatus for evaluating a Flare integrated lens according to any one of claims 1 to 7, wherein the test table and the light source moving bracket are located in a light box, and an inner wall of the light box is made of a light absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110710181.7A CN113551884B (en) | 2021-06-25 | 2021-06-25 | Device for evaluating integrated lens Flare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110710181.7A CN113551884B (en) | 2021-06-25 | 2021-06-25 | Device for evaluating integrated lens Flare |
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| CN113551884A true CN113551884A (en) | 2021-10-26 |
| CN113551884B CN113551884B (en) | 2024-04-23 |
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